Class '<classname>' cannot be found
Error MessageClass '<classname>' cannot be found. This condition is usually the result of a mismatched 'Microsoft.VisualBasic.dll'.
A defined member could not be located.
Error ID: BC31098
To correct this error
Compile the program again to see if the error recurs.
If the error recurs, save your work and restart Visual Studio.
If the error persists, reinstall Visual Basic.
If the error persists after reinstallation, notify Microsoft Product Support Services.